Base | Representation |
---|---|
bin | 1000011110001… |
… | …11011001101110 |
3 | 11221201210112221 |
4 | 10033013121232 |
5 | 121143240332 |
6 | 11015145554 |
7 | 1522045036 |
oct | 417073156 |
9 | 157653487 |
10 | 71071342 |
11 | 37132a51 |
12 | 1b9752ba |
13 | 11955364 |
14 | 96208c6 |
15 | 638d297 |
hex | 43c766e |
71071342 has 4 divisors (see below), whose sum is σ = 106607016. Its totient is φ = 35535670.
The previous prime is 71071333. The next prime is 71071349. The reversal of 71071342 is 24317017.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24317017 = 19 ⋅1279843.
It is a super-2 number, since 2×710713422 = 10102271307361928, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71071349) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17767834 + ... + 17767837.
It is an arithmetic number, because the mean of its divisors is an integer number (26651754).
Almost surely, 271071342 is an apocalyptic number.
71071342 is a deficient number, since it is larger than the sum of its proper divisors (35535674).
71071342 is a wasteful number, since it uses less digits than its factorization.
71071342 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35535673.
The product of its (nonzero) digits is 1176, while the sum is 25.
The square root of 71071342 is about 8430.3820791231. The cubic root of 71071342 is about 414.2204206368.
Adding to 71071342 its reverse (24317017), we get a palindrome (95388359).
The spelling of 71071342 in words is "seventy-one million, seventy-one thousand, three hundred forty-two".
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